CN1573667A - Electrostatic capacitive touch pad - Google Patents
Electrostatic capacitive touch pad Download PDFInfo
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- CN1573667A CN1573667A CNA2004100491264A CN200410049126A CN1573667A CN 1573667 A CN1573667 A CN 1573667A CN A2004100491264 A CNA2004100491264 A CN A2004100491264A CN 200410049126 A CN200410049126 A CN 200410049126A CN 1573667 A CN1573667 A CN 1573667A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- Engineering & Computer Science (AREA)
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- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electronic Switches (AREA)
- Position Input By Displaying (AREA)
- Push-Button Switches (AREA)
Abstract
An electrostatic capacitive touch pad used as an input device. On a surface of a film substrate 2 made of an insulating synthetic resin, which is formed by connecting an approximately quadrangular first film substrate 2a and an approximately quadrangular second film substrate 2b through a bent portion 2c, a ground electrode 3 formed to cover at least a part of the second film substrate 2b, and a first electrode layer 4 formed of one of the wiring patterns on a part of the first film substrate 2a are formed. An insulating film 8 made of an insulating resin is formed on the first electrode layer 4, a second electrode layer 6 formed of the other of the wiring patterns is formed on a surface corresponding to the part of the first film substrate 2a of the insulating film 8, and the film substrate 2, the first electrode layer 4 and the insulating film 8 are bent in the bent portion 2c such that the rear surfaces of the film substrate 2a, 2b face each other.
Description
Technical field
The present invention relates to a kind of as for example input media of the electrostatic capacitance mode of the indicator of PC, particularly relate to a kind of input media, when it guarantees flexible, and can stablize current potential with being connected of product side joint ground electrode, stable shielding (shield) layer.
Background technology
Existing input media has the film substrate that is made of PET insulativity synthetic resin thin plates such as (polyethylene terephthalates) as detecting substrate, and one side of this film substrate forms to the outstanding extension in side.On this film substrate, form X electrode layer and Y electrode layer, can detect electrostatic capacitance as two kinds of wiring graphs.
Illustrate further, dispose the X electrode layer below the above-mentioned film substrate, this X electrode layer is provided with many X electrodes at directions X with predetermined distance and forms the directions X drive electrode.In addition, an end of above-mentioned each X electrode extends to above-mentioned extension.Also have, form pseudo electrode (dummy electrode) between above-mentioned each X electrode respectively.
In addition, on the face of the above-mentioned directions X drive electrode of the formation of above-mentioned film substrate, form the ground-electrode that extends to above-mentioned extension along the periphery of above-mentioned film substrate.Also have, between above-mentioned directions X drive electrode and above-mentioned ground-electrode, form the X that constitutes by many electrodes and switch electrode.
The dielectric film that is provided with coating or printing insulative resin on the surface of above-mentioned each electrode and forms forms a plurality of through holes on this dielectric film.
At the surface configuration Y of above-mentioned dielectric film electrode layer, this Y electrode layer forms Y direction drive electrode forming many Y electrodes with above-mentioned directions X drive electrode orthogonal directions.In addition, an end of the partial electrode in the above-mentioned Y electrode extends to the lead to the hole site of regulation from the both sides of directions X.
In addition, on same one deck of the above-mentioned Y direction of the formation of above-mentioned dielectric film drive electrode, be formed with detecting electrode.Above-mentioned detecting electrode is made of two broach shape electrodes, the front end of each broach shape electrode, about mutually oppositely form.And each broach shape electrode converges into 1 electrode in Y direction central authorities, and extends to the lead to the hole site of regulation.
And,, form by the dielectric film that constitutes with above-mentioned dielectric film same material on the whole surface that comprises above-mentioned Y direction drive electrode.In addition, the upper surface of above-mentioned film substrate is pasted with commercial veneer by bonding material etc.
Be formed on an end of each the Y electrode on the above-mentioned Y electrode layer, switch electrode with above-mentioned X respectively via the regulation through hole that forms on the above-mentioned dielectric film and be connected.
In addition, the end that the above-mentioned detecting electrode that forms from above-mentioned Y electrode layer extends to form is switched electrode via through hole of stipulating and above-mentioned X and is connected.
And, extend at the Y electrode layer above-mentioned film substrate extension the end and form the end of each electrode that is connected.
And, extend to above-mentioned film substrate extension the end and the end of each electrode of forming is connected with the conductive part of control circuit substrate and (for example, opens 2003-99185 communique (3-5 page or leaf, 1-4 figure) with reference to the Jap.P. spy.
Like this input media that forms is pasted with aluminium sheet on the lower surface as the film substrate of inner face, and is connected configuration with the ground-electrode of PC (PC) keyboard etc.
And the input media of connection keyboard etc. touches above-mentioned commercial veneer by electric conductors such as fingers, thereby, change at each X electrode of its touch location and the interelectrode electrostatic capacitance of Y, and can detect X coordinate data and Y coordinate data.And, with amplifier the detection output of acquisition is amplified, be transformed into digital signal through the A/D transducer, the computing of stipulating at control part is controlled on PC again.
But, existing input media, when the keyboard etc. that is configured in PC is gone up, the inner face of formed input media is pasted with shielding and uses aluminium sheet, and, the ground-electrode of this aluminium sheet and keyboard etc. is connected, therefore bad connection takes place easily, for this reason, can not stablize the current potential of screen layer, bring bad influence for the operating performance of input media.Also have, the inner face of input media is pasted with aluminium sheet, thereby has the problem of the flexible of damage input media.
Summary of the invention
The present invention produces in view of these problem points, and purpose is to provide a kind of input media, thereby can stablize the connection of carrying out ground-electrode, operating performance that the current potential of stablizing screen layer is stablized input media, also can not damage flexible.
To achieve these goals, input media of the present invention, it is characterized in that: will be roughly on the 1st film substrate and the 2nd film substrate film substrate surface that be connected to form via kink respectively, that constitute by synthetic resin of quadrilateral shape, be formed with and cover above-mentioned the 2nd film substrate part at least and ground-electrode that forms and the 1st electrode layer that constitutes by the above-mentioned wiring graph of a side that is formed on above-mentioned the 1st film substrate with insulativity; Form the dielectric film that constitutes by insulative resin in the 1st electrode layer surface; And the surface that is equivalent to above-mentioned the 1st film substrate part of above-mentioned dielectric film forms the 2nd electrode layer that is made of the above-mentioned wiring graph of the opposing party; Make the inner face of above-mentioned film substrate be bent to form above-mentioned film substrate, the 1st electrode layer and dielectric film at above-mentioned kink with facing each other.
Constitute based on adopting so, form 2 kinds of wiring graphs on the 1st film substrate surface between dielectric film, be to form X electrode layer and Y electrode layer specifically, make of inner face side bending and the stickup of the 2nd film substrate via kink to the 1st film substrate, thereby form screen layer based on the ground-electrode that is formed at the 2nd film substrate surface, needn't as existing, paste aluminium sheet and form screen layer at the input media inner face, therefore, be connected stable with the ground-electrode of keyboard etc., the current potential of screen layer is stable, can stablize the operating performance of input media for this reason.Can also guarantee the flexible of input media.
In addition, other of input media of the present invention are characterised in that: the periphery of above-mentioned the 1st film substrate is formed with the ground-electrode of the wiring graph that surrounds an above-mentioned side, and this ground-electrode is electrically connected with ground-electrode on being formed at above-mentioned the 2nd film substrate via above-mentioned kink.
Constitute based on adopting so, can prevent to stablize the operating performance of input media by the influence of such as the static that produces around the input media that is disposed at keyboard etc. to the wiring graph that is formed at the 1st film substrate surface.
Description of drawings
Fig. 1 is the vertical view of embodiment of the film substrate of expression input media of the present invention.
Fig. 2 is the rear view of the bending film substrate of present embodiment.
Fig. 3 is the circuit layout figure of a kind Y electrode layer of expression wiring graph.
Fig. 4 is the vertical view of the dielectric film of expression present embodiment.
Fig. 5 is the figure of circuit layout that only represents the X electrode layer of other wiring graph.
Fig. 6 is the exploded perspective view of the input media of expression present embodiment.
Among the figure, the 1-input media; The 2-film substrate; The 3-ground-electrode; The 4-Y electrode layer; 5-Y switches electrode; The 6-X electrode layer; 7-X switches electrode; The 8-dielectric film; The 9-commercial veneer; The bonding material of 10-; The bonding material of 11-; The S-detecting electrode; The h-through hole.
Embodiment
Below, utilize accompanying drawing that the embodiment of input media of the present invention is described.
Fig. 1 represents the vertical view of embodiment of the film substrate of input media of the present invention, Fig. 2 is the rear view of the bending film substrate of present embodiment, Fig. 3 is the circuit layout figure of a kind Y electrode layer of expression wiring graph, Fig. 4 is the vertical view of the dielectric film of expression present embodiment, Fig. 5 is the figure of circuit layout that only represents the X electrode layer of other wiring graph, and Fig. 6 is the exploded perspective view of the input media of expression present embodiment.
The screen layer of the input media 1 of present embodiment, as shown in Figure 1, inciting somebody to action roughly via kink 2c, the 1st film substrate 2a of quadrilateral shape is connected the film substrate 2 that forms by PET insulativity synthetic resin thin plates such as (polyethylene terephthalates) formation in a limit of length direction separately with the 2nd film substrate 2b.Wherein, as shown in Figure 2, the area that above-mentioned the 2nd film substrate 2b forms is littler than the 1st film substrate 2a, so that can not expose from above-mentioned the 1st film substrate 2a during bending.In addition, on relative limit, the limit of above-mentioned the 1st film substrate 2a, be formed with to the outstanding extension 2d in side with forming above-mentioned kink 2c.
Surface at the 1st film substrate 2a of above-mentioned film substrate 2, as shown in Figure 3, be formed with along the Y direction and form many (12) Y electrode y0, y1 ... the Y direction drive electrode 4Yd of y10, y11 and many Y switch electrode 5, form Y electrode layer 4 on the whole surface of above-mentioned the 2nd film substrate 2b and above-mentioned kink 2c with to the periphery of the above-mentioned extension 2d end 2e of above-mentioned the 1st film substrate 2a, this Y electrode layer 4 forms the ground-electrode 3 that the silver of antistatic usefulness etc. constitutes by printing.And, form detecting electrode S on this Y electrode layer 4.Above-mentioned detecting electrode S, its front end mutually oppositely form, each electrode ys and above-mentioned each Y electrode y alternate configurations, and by constituting, and this broach shape electrode sa, sb converge into 1 electrode and extend to the position of regulation through hole h described later in the central authorities of Y direction.Above-mentioned each Y electrode y0, y1 are arranged again ... y10, y11, above-mentioned each Y switch electrode 5 and each electrode ys, and all adopting silver-colored conductive paste or silver is that conductive paste utilizes silk screen print method to form.
And, form the dielectric film 8 that constitutes by insulative resin on the surface of above-mentioned Y electrode 4.Above-mentioned dielectric film 8 as shown in Figure 4, form and above-mentioned film substrate 2 shape much at one, connect dielectric film 8a, the 8b of quadrilateral shape roughly and form via kink 8c, on relative limit, the limit of above-mentioned dielectric film 8a, form to the outstanding extension 8d in side with forming above-mentioned kink 8c.Also have, above-mentioned dielectric film 8a goes up and forms a plurality of (36) through hole h.Have, above-mentioned extension 8d forms shortly than the extension 2d of above-mentioned the 1st film substrate 2a again.
Also have, the surface of above-mentioned dielectric film 8a as shown in Figure 5, forms X electrode layer 6, and this X electrode layer 6 is formed with along directions X and forms many (16) X electrode x0, x1 ... the directions X drive electrode 6Xd of x14, x15 and many X switch electrode 7.Above-mentioned each X electrode x0, x1 are arranged again ... x14, x15 and above-mentioned each X switch electrode 7, all are that silver-colored conductive paste of employing or silver are that conductive paste utilizes silk screen print method to form.
And, in the present embodiment, formed each electrode guiding on the above-mentioned X electrode layer 6 simultaneously, is compiled in each electrode the end 2e of above-mentioned extension 2d to the face that forms above-mentioned Y electrode layer 4.Carry out following explanation about its formation method.
Above-mentioned each Y electrode y0, y2, y4, y6, y8, each end b0 of y10, b2, b4, b6, b8, b10, respectively via the regulation through hole h that is formed on the above-mentioned dielectric film 8a, each end a0 with above-mentioned X switching electrode 7, a2, a4, a6, a8, a10 connects, also have, above-mentioned X switches each end a0 that is formed on of electrode 7, a2, a4, a6, a8, each end c0 of the opposition side of a10, c2, c4, c6, c8, c10, switch each end d0 of electrode 5 respectively via regulation through hole h and above-mentioned Y, d2, d4, d6, d8, d10 connects, and above-mentioned Y switching electrode 5 extends to the end 2e of above-mentioned the 1st film substrate 2a and forms.
In addition, above-mentioned Y electrode y7, y9, y11 and each end b7, b9, b11, being connected above-mentioned X via regulation through hole h respectively switches on each end a7, a9, the a11 of electrode 7, and, above-mentioned X switches each end c7, the c9, the c11 that are formed on each end a7, a9, a11 opposition side of electrode 7, be connected with each end d7, d9, the d11 that above-mentioned Y switches electrode 5 via regulation through hole h respectively, above-mentioned Y switching electrode 5 extends to the end 2e of above-mentioned the 1st film substrate 2a and forms.And above-mentioned Y electrode y1, y3, y5 and above-mentioned ground-electrode 3 directly extend to the end 2e of above-mentioned the 1st film substrate 2a and form.Also have, the end bs of above-mentioned detecting electrode S, h is connected with the end as that above-mentioned X switches electrode 7 via the regulation through hole, also have, above-mentioned X switches the end cs that is formed on end as opposition side of electrode 7, be connected with the end ds that above-mentioned Y switches electrode 5 via the regulation through hole, above-mentioned Y switching electrode 5 extends to the end 2e of above-mentioned the 1st film substrate 2a and forms.
And, above-mentioned X electrode x0, x1 ... each end e0, e1 of x14, x15 ... e14, e15, switch each end f0, f1 of electrode 5 respectively via regulation through hole and above-mentioned Y ... f14, f15 connect, and above-mentioned Y switching electrode 5 extends to the end of above-mentioned the 1st film substrate 2a and forms.
So, whole electrodes of Y electrode layer 4 and X electrode layer 6 all are compiled in the end 2e of the extension 2d of above-mentioned the 1st film substrate 2a.
And, as shown in Figure 6, on the inner face of the 2nd film substrate 2b of above-mentioned film substrate 2, be pasted with bonding materials 10 such as bonding thin plate, above-mentioned the 2nd film substrate 2b is bent to the inside from above-mentioned kink 2c, and be bonded on the inner face of above-mentioned the 1st film substrate 2a.
The part that finger and pen grade contacted when in addition, commercial veneer 9 was operated as the operator, utilize bonding material 11 such as polyester tape to stick on the surface of above-mentioned X electrode layer 6.Above-mentioned commercial veneer 9 is made of the film substrate 9a of the roughly quadrilateral shape that insulativity synthetic resin constitutes, form to side outstanding extension 9b on one side.Have again, above-mentioned film substrate 9a forms same size with above-mentioned the 1st film substrate 2a, and above-mentioned extension 9b is shorter than above-mentioned extension 2d, and form equal length with the extension 8d of above-mentioned dielectric film 8, expose so that concentrate on each electrode of above-mentioned extension 2d end 2e.
And, concentrate on each electrode of above-mentioned end 2e, utilize epoxy resin etc. for example not contain the thermosetting tackifier with insulativity of conducting particles, be connected with the conductive part that is formed at control circuit substrate (not shown) (not shown).
So the input media 1 that forms utilizes directions X drive electrode 6Xd, Y direction drive electrode 4Yd and detecting electrode S to detect.
Promptly, at whole directions X drive electrode 6Xd (X electrode x0, x1 ... x14, x15) and Y direction drive electrode 4Yd (Y electrode y0, y1 ... y10, y11) between do not apply under the state of electric field of regulation current potential, when electric conductors such as finger touched commercial veneer 9, the electrostatic capacitance between its touch location directions X drive electrode 6Xd and Y direction drive electrode 4Yd can change.
When obtaining the X coordinate data, select directions X drive electrode 6Xd with two as 1 bundle, obtain detection output corresponding to the electrostatic capacitance change between directions X drive electrode 6Xd and the detecting electrode S.In addition, when obtaining the Y coordinate data, select Y direction drive electrode 4Yd as 1 bundle for two, obtain detection output corresponding to the electrostatic capacitance change between Y direction drive electrode 4Yd and the detecting electrode S.And, come from the detection output of whole electrodes of directions X detecting electrode 4Xd and the detection output timesharing that comes from whole electrodes of Y direction detecting electrode 4Yd and hocket.
With the detection output that so obtains, amplify with amplifier (not shown), be transformed into digital signal at A/D transformation component (not shown), and the computing of stipulating by control part (not shown), send PC main body (not shown) again to, thereby control according to above-mentioned operation result at the PC main body side.
As with as described in, according to input media of the present invention, be formed at the ground-electrode 3 on whole surface of the 2nd film substrate 2b of film substrate 2, stick on the inner face of the 1st film substrate 2a and form shielding, therefore, can make being connected of the ground-electrode of keyboard etc. of PC and ground-electrode 3 stable, for this reason, can stablize screen potential, and stablize the operating performance of input media 1.Also have, needn't as existing when being connected like that with the ground-electrode of PC keyboard etc. at formed input media inner face stickup aluminium sheet and connect, so can guarantee the flexible of input media.
Have, the present invention is not limited to above-mentioned embodiment again, can carry out various changes as required.For example, in the present embodiment, surface at the 1st film substrate 2a forms Y electrode layer 3, the surface of Y electrode layer 3 forms dielectric film 8, the surface of dielectric film 8 forms X electrode layer 6, connect each electrode at each through hole h, each electrode is compiled in the extension 2d end 2e of above-mentioned the 1st film substrate 2a and forms, but, also can form X electrode layer 6 on the surface of the 1st film substrate 2a, form dielectric film 8 on the surface of X electrode layer 6, the surface of dielectric film 8 forms Y electrode layer 3, connect each electrode at each through hole h, each electrode is compiled in the extension 2d end 2e of above-mentioned the 1st film substrate 2a and forms.In addition, in the present embodiment, the 1st film substrate 2a and the 2nd film substrate 2b are connected via kink 2c on a limit of length direction separately, but are not limited to the limit of length direction via the limit that kink 2c connects.
As described above according to the present invention, the 2nd film substrate that is formed with ground-electrode on the whole surface is bent, forms screen layer, thereby it is stable with being connected of the ground-electrode of PC keyboard etc., can stablize the current potential of screen layer, in addition, ground-electrode based on the periphery that is formed at the 1st film substrate can prevent from can stablize the operating performance of input media by the influence of the static that produces around the input media for wiring graph for this reason.Also have, needn't paste aluminium sheet as the input media inner face and form screen layer, therefore can guarantee the flexible of input media.
Claims (2)
1. an input media is formed with 2 kinds of wiring graphs and detects electrostatic capacitance on substrate, it is characterized in that:
Will be roughly on the 1st film substrate and the 2nd film substrate film substrate surface that be connected to form via kink respectively, that constitute by synthetic resin of quadrilateral shape, be formed with and cover above-mentioned the 2nd film substrate part at least and ground-electrode that forms and the 1st electrode layer that constitutes by the above-mentioned wiring graph of a side that is formed on above-mentioned the 1st film substrate with insulativity;
Form the dielectric film that constitutes by insulative resin in the 1st electrode layer surface;
And the surface that is equivalent to above-mentioned the 1st film substrate part of above-mentioned dielectric film forms the 2nd electrode layer that is made of the above-mentioned wiring graph of the opposing party;
Make the inner face of above-mentioned film substrate be bent to form above-mentioned film substrate, the 1st electrode layer and dielectric film at above-mentioned kink with facing each other.
2. input media according to claim 1, it is characterized in that: the periphery of above-mentioned the 1st film substrate is formed with the ground-electrode of the wiring graph that surrounds an above-mentioned side, and this ground-electrode is electrically connected with ground-electrode on being formed at above-mentioned the 2nd film substrate via above-mentioned kink.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003178142 | 2003-06-23 | ||
| JP2003178142A JP4163054B2 (en) | 2003-06-23 | 2003-06-23 | Input device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1573667A true CN1573667A (en) | 2005-02-02 |
| CN1311320C CN1311320C (en) | 2007-04-18 |
Family
ID=33516300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100491264A Expired - Fee Related CN1311320C (en) | 2003-06-23 | 2004-06-17 | Electrostatic capacitive touch pad |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7151227B2 (en) |
| JP (1) | JP4163054B2 (en) |
| CN (1) | CN1311320C (en) |
| TW (1) | TWI241526B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419520B (en) * | 2007-10-26 | 2011-09-28 | 捷讯研究有限公司 | Touch screen and method for manufacturing touch panel display and electronic device |
| CN102736780A (en) * | 2011-03-29 | 2012-10-17 | 阿尔卑斯电气株式会社 | Input device and method of manufacturing same |
| CN103995629A (en) * | 2013-02-19 | 2014-08-20 | 阿尔卑斯电气株式会社 | Static capacitor input typed device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4640819B2 (en) * | 2005-12-02 | 2011-03-02 | 日東電工株式会社 | Printed circuit board |
| US8456851B2 (en) * | 2008-05-16 | 2013-06-04 | Apple Inc. | Flex circuit with single sided routing and double sided attach |
| JP5226442B2 (en) * | 2008-09-19 | 2013-07-03 | 日本写真印刷株式会社 | Pressure sensor |
| KR20100084252A (en) * | 2009-01-16 | 2010-07-26 | 삼성모바일디스플레이주식회사 | Touch screen panel |
| KR101219242B1 (en) * | 2009-01-16 | 2013-01-07 | 삼성디스플레이 주식회사 | Touch Screen Panel and Fabricating Method Thereof |
| JP5140028B2 (en) * | 2009-03-26 | 2013-02-06 | 日東電工株式会社 | Wiring circuit board and manufacturing method thereof |
| JP5255547B2 (en) | 2009-10-13 | 2013-08-07 | アルプス電気株式会社 | Capacitive touchpad input device |
| US8638307B2 (en) | 2010-09-27 | 2014-01-28 | Blackberry Limited | Electronic device and touch-sensitive input device |
| US8681119B2 (en) | 2010-09-27 | 2014-03-25 | Blackberry Limited | Electronic device and touch-sensitive input device |
| TW201237720A (en) * | 2011-03-11 | 2012-09-16 | Cando Corp | Thin type flexible capacitive touch device |
| US8823659B2 (en) * | 2011-06-07 | 2014-09-02 | Nokia Corporation | Method and apparatus for touch panel |
| US9229564B2 (en) | 2012-01-18 | 2016-01-05 | Htc Corporation | Touch display and electronic device |
| DE102012011748A1 (en) * | 2012-02-15 | 2013-08-22 | Chih-Chung Lin | Capacitive touch device for touch screen of e.g. smartphone, has adhesive layer provided between two transparent substrates, connecting transparent substrates with each other, and glued with side of one of transparent substrates |
| US8773393B2 (en) * | 2012-02-28 | 2014-07-08 | Eastman Kodak Company | Touch screen with dummy micro-wires |
| JP5718282B2 (en) * | 2012-05-31 | 2015-05-13 | 株式会社東海理化電機製作所 | Capacitance detection device |
| CN104662501B (en) * | 2012-09-27 | 2017-07-28 | 株式会社村田制作所 | Touch panel |
| US20160098143A1 (en) * | 2013-05-29 | 2016-04-07 | Sharp Kabushiki Kaisha | Touch panel substrate |
| KR102119600B1 (en) * | 2013-09-16 | 2020-06-08 | 엘지이노텍 주식회사 | Touch window |
| JP6360312B2 (en) * | 2014-01-30 | 2018-07-18 | アルプス電気株式会社 | Input device and manufacturing method thereof |
| JP6664278B2 (en) * | 2016-05-31 | 2020-03-13 | 株式会社ジャパンディスプレイ | Display device |
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| JPH08335847A (en) * | 1995-06-08 | 1996-12-17 | Murata Mfg Co Ltd | Thickness-shear vibration type double mode filter |
| WO2001000003A2 (en) * | 1999-06-22 | 2001-01-04 | Cirque Corporation | An improved touchpad |
| JP3855594B2 (en) * | 2000-04-25 | 2006-12-13 | セイコーエプソン株式会社 | Semiconductor device |
| JP2003099185A (en) * | 2001-09-20 | 2003-04-04 | Alps Electric Co Ltd | Input device |
-
2003
- 2003-06-23 JP JP2003178142A patent/JP4163054B2/en not_active Expired - Fee Related
-
2004
- 2004-05-21 TW TW093114549A patent/TWI241526B/en not_active IP Right Cessation
- 2004-06-17 CN CNB2004100491264A patent/CN1311320C/en not_active Expired - Fee Related
- 2004-06-18 US US10/872,312 patent/US7151227B2/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419520B (en) * | 2007-10-26 | 2011-09-28 | 捷讯研究有限公司 | Touch screen and method for manufacturing touch panel display and electronic device |
| CN102736780A (en) * | 2011-03-29 | 2012-10-17 | 阿尔卑斯电气株式会社 | Input device and method of manufacturing same |
| CN102736780B (en) * | 2011-03-29 | 2014-01-22 | 阿尔卑斯电气株式会社 | Input device |
| CN103995629A (en) * | 2013-02-19 | 2014-08-20 | 阿尔卑斯电气株式会社 | Static capacitor input typed device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040256147A1 (en) | 2004-12-23 |
| JP4163054B2 (en) | 2008-10-08 |
| TW200511132A (en) | 2005-03-16 |
| TWI241526B (en) | 2005-10-11 |
| CN1311320C (en) | 2007-04-18 |
| US7151227B2 (en) | 2006-12-19 |
| JP2005018138A (en) | 2005-01-20 |
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Address after: Tokyo, Japan Patentee after: ALPS ELECTRIC Co.,Ltd. Address before: Tokyo, Japan Patentee before: Alps Electric Co.,Ltd. |
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